i just click the knit and then it shows:
Error in system(paste(shQuote(path), "--version"), intern = TRUE) :
'CreateProcess'调用'C:\PROGRA~2\Pandoc\pandoc.exe --version'失败
Calls: <Anonymous> ... get_pandoc_version -> with_pandoc_safe_environment -> force -> system
停止执行
what should i do for solve this problem